Question: What was the population of the Pizen Region on 1-1-2016?
Paraphrase: On January 1st, 2016 what was the population for the Pizen Region?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q46070 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2016')) }